--IF Jeff Keppinger missed his second straight game Sunday with tightness in his back. Keppinger left Friday's game against the Phillies in the eighth inning and had his back treated Saturday.

MEDICAL WATCH:

RHP Roy Oswalt (sore back) left his Sept. 5 start and his scheduled Sept. 10 start may be in doubt.

3B Jeff Keppinger (sore right hip) left the Sept. 4 game, and he did not play Sept. 5-6. He is day-to-day.

RHP Alberto Arias (strained right hamstring) went on the 15-day disabled list Aug. 28.

LHP Mike Hampton (left shoulder strain) went on the 15-day disabled list retroactive to Aug. 14. He will undergo season-ending surgeries on his left shoulder and both knees.

ROTATION:

RHP Roy Oswalt

LHP Wandy Rodriguez

RHP Brian Moehler

RHP Bud Norris

RHP Yorman Bazardo

BULLPEN:

RHP Jose Valverde (closer)

RHP LaTroy Hawkins

RHP Wilton Lopez

LHP Tim Byrdak

RHP Sammy Gervacio

RHP Jeff Fulchino

RHP Felipe Paulino

RHP Doug Brocail

LHP Wesley Wright

CATCHERS:

Humberto Quintero

Chris Coste

J.R. Towles

INFIELDERS:

1B Lance Berkman

2B Kaz Matsui

SS Miguel Tejada

3B Geoff Blum

INF Jeff Keppinger

INF Edwin Maysonet

INF Aaron Boone

OUTFIELDERS:

LF Carlos Lee

CF Michael Bourn

RF Hunter Pence

OF Jason Michaels

OF Darin Erstad